Hoping someone could help me resolve the following issue that I've been having over the course of a few months. Issue: Computer randomly restarts without warning just kills off. - Crashes when booting from time to time & after login screen, before Windows logo shows. (even first time booting on the day) Confusion: When I do I get it started after a few failed attempts I can be on it for a given amount of time before I have any issues. Example: I can play games on it for hours and it wont shut down. (LoL/L4D etc) Specs - Computer is outdated-* Processor: AMD Athlon 64 x2 Processor 6000+ Ram: 6gb Operating System :Windows 7 Ultimate 32 bit Video Card: ATI Radeon HD 4670 Mobo: Gigabyte GA-M61P-S3 I've Tried: Checking all wires to make sure they've been connected properly, cleaned out computer case 0 dust, tried multiple HDs same issue. Resetting bios allow me to boot up without fail.. Could it be bios?